mx25: remove unused mx25_clocks_init() argument
The fref is needless on mx25 since the reference clock is fixed at 24MHz.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
authored by Baruch Siach and committed by Sascha Hauer fadc0956 4cd3f96c